Analysis

  • max time kernel
    119s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 13:24

General

  • Target

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe

  • Size

    1.4MB

  • MD5

    7c89b48a2752a771eb6457fe2fea1d8e

  • SHA1

    afb602ef798b23f400fd3d474cb570aa781797c4

  • SHA256

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce

  • SHA512

    9338a3817216563677573599d5dd3cacb4be084a2e46c77516d56a207ce7d8d06a376ea4be1a7863ffeb823ae803b891ef947cfb81d4813a52ce152038e97d48

  • SSDEEP

    24576:OnpUwegOzvr+8J97vsJRx1osJYWDaK9rB6hjscMmQV5IPiMtWb05UaaYy6nnjqKh:OCri8H7vsjx1V15B6xscMmY6ivQUNEjF

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe
    "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IbwIIBmUDWimTZ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IbwIIBmUDWimTZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD88.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1996
    • C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe
      "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2768
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1840
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F22.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1616
      • C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe
        "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3F22.tmp

    Filesize

    1KB

    MD5

    676f2d9a467c059d42131ec0a8534880

    SHA1

    8535f16acd7886f632f06a06257db2941b4b9b3b

    SHA256

    af9c912c5236b2a52c49acc22f60c71afe5c31654337acd8473507f6e6249bf3

    SHA512

    c42be154532b07f8f1d08b722052f01d41c72bc6fe07b3ede3916ba7d7fb35ff9a2c80f3ee67295737266be42cc8998a0696c77444e4770db291f2ad8addf5de

  • C:\Users\Admin\AppData\Local\Temp\tmpD88.tmp

    Filesize

    1KB

    MD5

    25ddd915e1ff01385dcaf215cb8b0982

    SHA1

    79a9410488e4f3ec275397dcb7f03cef6c2cb98c

    SHA256

    9d823e41f90a552f787fb7c69fa15eb763dd6fa4c510089f53f23961a9ab14ff

    SHA512

    5835a1e6c364232a81270322635dfab1b4c9c224d59b017c8cdf5adfb86caa9101f7ebf7cf9954fb0853342a744c500a37334c0a0464a34937e5f1c13ede9ac5

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\8JPB9Q0GXPPLVY3N7LRT.temp

    Filesize

    7KB

    MD5

    e3844c0412df2dc9a3cf9d4318a9f08b

    SHA1

    6f85b7ee2bac23c59d92ea88c5ad917b56ec1e96

    SHA256

    80c4f0b82c460f20e7da16f4aeae6ba88d9d3456ebb7f4beb05b1214eda11eb0

    SHA512

    a0c92b234d2304cda349402e25bd7b2155df6c26faf3c72b3e3ef2bb513c5f283e9666dc1bfe433a5497ce9b5eab7c9d750a419eaaa8055447912e9a4686532d

  • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

    Filesize

    1.4MB

    MD5

    7c89b48a2752a771eb6457fe2fea1d8e

    SHA1

    afb602ef798b23f400fd3d474cb570aa781797c4

    SHA256

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce

    SHA512

    9338a3817216563677573599d5dd3cacb4be084a2e46c77516d56a207ce7d8d06a376ea4be1a7863ffeb823ae803b891ef947cfb81d4813a52ce152038e97d48

  • memory/1404-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1404-6-0x0000000005990000-0x0000000005AA4000-memory.dmp

    Filesize

    1.1MB

  • memory/1404-4-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/1404-3-0x0000000000560000-0x0000000000570000-memory.dmp

    Filesize

    64KB

  • memory/1404-1-0x0000000001340000-0x00000000014B0000-memory.dmp

    Filesize

    1.4MB

  • memory/1404-0-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/1404-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1404-32-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-31-0x0000000001250000-0x00000000012F0000-memory.dmp

    Filesize

    640KB

  • memory/2572-30-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2572-21-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2572-19-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2572-25-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2572-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-33-0x0000000005370000-0x00000000053F2000-memory.dmp

    Filesize

    520KB

  • memory/2572-28-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2572-29-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2572-23-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2928-54-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-50-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-61-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-60-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-59-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-58-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2928-56-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-52-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB